.loginActive{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://img1.baidu.com/it/u=799286548,1689708088&fm=253&fmt=auto&app=120&f=JPEG?w=1422&h=800');
    background-size: 100%;
    .loginFrom{
        width: 300px;
       opacity: 0.5;
        margin:70px 30%;
        border: 1px solid gray;
       
    }
}